Clinical oral investigations · 2018
Topical pimecrolimus versus betamethasone for oral lichen planus: a randomized clinical trial.
СтатьяРандомизированное исследованиеНазвание и аннотация: Перевод пока не подготовлен
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Ezzatt Ola M, Helmy Iman M
Аннотация
OBJECTIVES: Oral lichen plans (OLP) is a potentially malignant inflammatory mucocutaneous disease. CD133 is an investigated surface marker for cancer stem-like cells (CSCs) that may be involved in tumor initiation in head and neck carcinomas. We compared short-term clinical effectiveness of topical pimecrolimus as selective inflammatory cytokine release inhibitor with betamethasone cream for erosive/atrophic OLP and investigated the influence of this therapy on CD133 expression.
MATERIAL AND METHODS: Thirty patients were randomly assigned into two equal groups to receive topical pimecrolimus (group I) or betamethasone (group II) four times daily for 4 weeks. A marker lesion in each patient were assessed at baseline using clinical score (CS) and visual analog scale (VAS) then at 1, 2, and 4 weeks and after 4 weeks of treatment-free period. CD133 expression was detected in pre- and post-treatment immunostained sections.
RESULTS: Both drugs showed a reduction in CS, VAS, and CD133 expressions after treatment termination (p < 0.001). Pimecrolimus-treated lesions showed significant higher 1st week reduction in severity (33.1% (22.2)), pain score (57.53% (14.27)), less recurrence in follow-up period and less CD133 expression by the end of the 1st 4 weeks compared with betamethasone.
CONCLUSION: Pimecrolimus showed earlier clinical response and less recurrence rate compared with standard topical corticosteroid in symptomatic OLP lesions, and both treatment reduced CD133-positive CSC population.
CLINICAL RELEVANCE: The study proved the benefits of topical pimecrolimus in early management of painful lesions of OLP and its ability to inhibit CSCs, suggesting a possible role in reducing risk of malignant transformation.
MATERIAL AND METHODS: Thirty patients were randomly assigned into two equal groups to receive topical pimecrolimus (group I) or betamethasone (group II) four times daily for 4 weeks. A marker lesion in each patient were assessed at baseline using clinical score (CS) and visual analog scale (VAS) then at 1, 2, and 4 weeks and after 4 weeks of treatment-free period. CD133 expression was detected in pre- and post-treatment immunostained sections.
RESULTS: Both drugs showed a reduction in CS, VAS, and CD133 expressions after treatment termination (p < 0.001). Pimecrolimus-treated lesions showed significant higher 1st week reduction in severity (33.1% (22.2)), pain score (57.53% (14.27)), less recurrence in follow-up period and less CD133 expression by the end of the 1st 4 weeks compared with betamethasone.
CONCLUSION: Pimecrolimus showed earlier clinical response and less recurrence rate compared with standard topical corticosteroid in symptomatic OLP lesions, and both treatment reduced CD133-positive CSC population.
CLINICAL RELEVANCE: The study proved the benefits of topical pimecrolimus in early management of painful lesions of OLP and its ability to inhibit CSCs, suggesting a possible role in reducing risk of malignant transformation.